Diagnosis Procedure

1. Turn ignition switch ON.
2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
3. Check for DTC P0383-00 or P0384-00 being current on the CONSULT screen.

Is applicable DTC detected?

YES

Refer to DTC Index .

NO

GO TO 2 .

1. Turn ignition switch ON.
2. Connect CONSULT and check for "ENGINE" diagnostic trouble codes.
3. Check for DTC P066D-00 being current on the CONSULT screen.

Is applicable DTC detected?

YES

GO TO 3 .

NO

Refer to Intermittent Incident .

1. Turn ignition switch OFF.
2. Disconnect glow plug harness connector F103 from the glow plug control module.
3. Inspect the harness and module connector pins for the following:
   • Loose connector
   • Corroded pins
   • Bent or broken pins
   • Pushed back or expanded pins
   • Moisture in or on the connector
   • Missing or damaged connector seals
   • Dirt or debris on or in the connector pins
   • Connector shell broken
   • Wire insulation damage
   • Damaged connector locking tab

Is the inspection result normal?

YES

GO TO 4 .

NO

Repair or replace error-detected parts.

1. Turn ignition switch OFF.
2. Disconnect the glow plug harness connector F103 from the glow plug control module.
3. Turn ignition switch ON and wait 30 seconds.
4. Connect CONSULT and check for current "ENGINE" diagnostic trouble codes.

Did DTC P0672-00 become current and P066D-00 become past?

YES

Repair or replace the glow plug harness for a short to voltage. GO TO 5 .

NO

Replace glow plug control module. Refer to Removal and Installation .GO TO 5.

1. Turn ignition switch OFF.
2. Connect the glow plug to the harness connector F130.
3. Turn ignition switch ON and wait 30 seconds.
4. Connect CONSULT and check for current "ENGINE" diagnostic trouble codes.

Did DTC P066D-00 become current?

YES

Replace the glow plug. Refer to Removal and Installation .

NO

The removal and installation of the connector corrected the malfunction.